Journal articles

• Hadey Wickham.
• Hadley Wickham: Impact the world by being useful.
• IMS Bulletin, 2015.

Download: from publisher

• Hadley Wickham, Dianne Cook, Heike Hofmann.
• Visualizing statistical models: Removing the blindfold.
• Statistical Analysis and Data Mining: The ASA Data Science Journal, vol. 8, no. 4, pp. 203–225, 2015.

Download: pre-print | from publisher

• Garrett Grolemund, Hadley Wickham.
• Visualizing Complex Data with Embedded Plots.
• Journal of Computational and Graphical Statistics, vol. 24, no. 1, pp. 26––43, 2015.

Download: pre-print

• Nicholas J Horton, Benjamin S Baumer, Hadley Wickham.
• Taking a Chance in the Classroom: Setting the Stage for Data Science.
• Chance, vol. 28, no. 2, pp. 40––50, 2015.

Download: from publisher

• Hadey Wickham.
• Data science: how is it different to statistics?.
• IMS Bulletin, 2014.

Download: from publisher

• Garrett Grolemund, Hadley Wickham.
• A Cognitive Interpretation of Data Analysis.
• International Journal of Statistics, vol. 82, no. 2, pp. 184–204, 2014.

Download: pre-print

• Garrett Grolemund, Hadley Wickham.
• A Cognitive Interpretation of Data Analysis: Rejoinder.
• International Journal of Statistics, vol. 82, no. 2, pp. 210–213, 2014.

• Hadley Wickham.
• Tidy data.
• The Journal of Statistical Software, vol. 59, 2014.

Download: pre-print | from publisher

• Garrett J Spiegel, Cindy Dinh, Amanda Gutierrez, Julia Lukomnik, Benjamin Lu, Kamal Shah, Tara Slough, Ping Teresa Yeh, Yvette Mirabal, Lauren Vestewig Gray, others.
• Design, Evaluation, and Dissemination of a Plastic Syringe Clip to Improve Dosing Accuracy of Liquid Medications.
• Annals of Biomedical Engineering, pp. 1––9, 2013.

Download: pre-print

• Hadley Wickham.
• Graphical criticism: some historical notes.
• Journal of Computational and Graphical Statistics, vol. 22, no. 1, pp. 38–44, 2013.

Download: pre-print | from publisher

• David Kahle, Hadley Wickham.
• ggmap: Spatial Visualization with ggplot2.
• The R Journal, vol. 5, pp. 144–162, 2013.

Download: pre-print | from publisher

• Hadley Wickham.
• Statistical graphics.
• Encyclopedia of Environmetrics, 2013.

Download: pre-print

• Hadley Wickham.
• R and S.
• Encyclopedia of Environmetrics, 2013.

Download: pre-print

• John W Emerson, Walton A Green, Barret Schloerke, Jason Crowley, Dianne Cook, Heike Hofmann, Hadley Wickham.
• The Generalized Pairs Plot.
• Journal of Computational and Graphical Statistics, vol. 22, no. 1, pp. 79–91, 2012.

Download: pre-print | from publisher

• Hadley Wickham, Heike Hofmann, Charlotte Wickham, Diane Cook.
• Glyph-maps for Visually Exploring Temporal Patterns in Climate Data and Models.
• Environmetrics, vol. 23, no. 5, pp. 382––393, 2012.

Download: pre-print | from publisher

• Bei Huang, Dianne Cook, Hadley Wickham.
• tourrGui: A gWidgets GUI for the Tour to Explore High-Dimensional Data Using Low-Dimensional Projections.
• Journal of Statistical Software, vol. 49, no. 6, pp. 1––12, 2012.

Download: pre-print | from publisher

• Hadley Wickham.
• testthat: Get Started with Testing.
• The R Journal, vol. 3, no. 1, pp. 5––10, 2011.

Download: pre-print | from publisher

• Hadley Wickham, Heike Hofmann.
• Product plots.
• IEEE Transactions on Visualization and Computer Graphics (Proc. InfoVis '11), vol. 17, no. 12, pp. 2223–2230, 2011.

Download: pre-print

• Hadley Wickham.
• ASA 2009 Data Expo.
• Journal of Computational and Graphical Statistics, vol. 20, no. 2, pp. 281–283, 2011.

Download: pre-print | via doi

• Hadley Wickham.
• ggplot2.
• Wiley Interdisciplinary Reviews: Computational Statistics, vol. 3, no. 2, pp. 180––185, 2011.

Download: pre-print | via doi

• Garrett Grolemund, Hadley Wickham.
• Dates and Times Made Easy with lubridate.
• Journal of Statistical Software, vol. 40, no. 3, pp. 1––25, 2011.

Download: pre-print | from publisher

• Gabrielle Quart, Hadley Wickham.
• Protection Against the Housing Crisis: An Analysis of Industrial Diversity.
• The Rice Cultivator: A Student Journal on Public Policy, vol. 2, pp. 69–77, 2011.

Download: pre-print

• Hadley Wickham, Dianne Cook, Heike Hofmann, Andreas Buja.
• tourr: An R package for exploring multivariate data with projections.
• Journal of Statistical Software, vol. 40, no. 2, pp. 1––18, 2011.

Download: pre-print | from publisher

• Hadley Wickham.
• The split-apply-combine strategy for data analysis.
• Journal of Statistical Software, vol. 40, no. 1, pp. 1––29, 2011.

Download: pre-print | from publisher

• Hadley Wickham.
• mutatr: mutable objects for R.
• Computational Statistics, vol. 26, no. 3, pp. 405––418, 2011.
• [Special issue for Proceedings of the 6th International Workshop on Directions in Statistical Computing.]

Download: pre-print | via doi

• Hadley Wickham.
• Making Sense of Data II: A Practical Guide to Data Visualization, Advanced Data Mining Methods, and Applications.
• Journal of Statistical Software, Book Reviews, vol. 34, no. 1, pp. 1––2, 2010.

Download: pre-print | from publisher

• Richard A. Levine, Luke Tierney, Hadley Wickham, Eric Sampson, Dianne Cook, David A. van Dyk.
• Editorial: Publishing Animations, 3D Visualizations, and Movies in JCGS.
• Journal of Computational and Graphical Statistics, vol. 19, no. 1, pp. 1–2, 2010.

Download: via doi

• Diane M. Debinski, Hadley Wickham, Kelly Kindscher, Jennet C. Caruthers, Matthew Germino.
• Montane meadow change during drought varies with background hydrologic regime and plant functional group.
• Ecology, vol. 91, no. 6, pp. 1672–1681, 2010.

Download: via doi

• Hadley Wickham.
• stringr: modern, consistent string processing.
• R Journal, vol. 2, no. 2, pp. 38–40, 2010.

Download: pre-print | from publisher

• Hadley Wickham.
• A layered grammar of graphics.
• Journal of Computational and Graphical Statistics, vol. 19, no. 1, pp. 3–28, 2010.

Download: pre-print | via doi

• John Hobbs, Hadley Wickham, Heike Hofmann, Diane Cook.
• Glaciers Melt as Mountains Warm: A Graphical Case Study.
• Computational Statistics, vol. 25, no. 4, pp. 569–586, 2010.
• [Special issue for ASA Statistical Computing and Graphics Data Expo 2007.]

Download: pre-print | via doi

• Hadley Wickham, Garrett Grolemund.
• Graphics for Statistics and Data Analysis with R.
• Journal of Statistical Software, Book Reviews, vol. 36, no. 3, pp. 1––2, 2010.

Download: pre-print | from publisher

• Hadley Wickham, Dianne Cook, Heike Hofmann, Andreas Buja.
• Graphical inference for infovis.
• IEEE Transactions on Visualization and Computer Graphics (Proc. InfoVis '10), vol. 16, no. 6, pp. 973–979, 2010.

Download: pre-print

• Andreas Buja, Dianne Cook, Heike Hofmann, Michael Lawrence, Eun-Kyung Lee, Deborah F. Swayne, Hadley Wickham.
• Statistical Inference for Exploratory Data Analysis and Model Diagnostics.
• Royal Society Philosophical Transactions A, vol. 367, no. 1906, pp. 4361–4383, 2009.

Download: pre-print | via doi

• Michael Lawrence, Hadley Wickham, Dianne Cook, Heike Hofmann, Deborah F. Swayne.
• Extending the GGobi pipeline from R: Rapid Prototyping of Interactive Visualizations.
• Computational Statistics, vol. 24, no. 2, pp. 195–205, 2009.
• [Special issue for Proceedings of the 5th International Workshop on Directions in Statistical Computing.]

Download: via doi

• Hadley Wickham, Michael Lawrence, Dianne Cook, Andreas Buja, Heike Hofmann, Deborah F. Swayne.
• The plumbing of interactive graphics.
• Computational Statistics, vol. 24, no. 2, pp. 207–215, 2009.
• [Special issue for Proceedings of the 5th International Workshop on Directions in Statistical Computing]

Download: pre-print | via doi

• Hadley Wickham.
• Data Manipulation with R.
• Journal of Statistical Software, Book Reviews, vol. 26, no. 1, pp. 1––2, 2008.

Download: pre-print | from publisher

• Dianne Cook, Hadley Wickham.
• Comment on The Future of Statistical Computing.
• Technometrics, vol. 50, no. 4, pp. 442–443, 2008.

Download: pre-print | via doi

• Hadley Wickham, Michael Lawrence, Duncan Temple Lang, Deborah F Swayne.
• An introduction to rggobi.
• R-news, vol. 8, no. 2, pp. 3––7, 2008.

Download: pre-print | from publisher

• Hadley Wickham.
• A First Course in Statistical Programming with R.
• Journal of Statistical Software, Book Reviews, vol. 28, no. 3, pp. 1––3, 2008.

Download: pre-print | from publisher

• Hadley Wickham.
• DSC 2007.
• R-news, vol. 7, no. 1, pp. 42, 2007.

Download: from publisher

• Sanford Weisberg, Hadley Wickham.
• Need A Hint?.
• R News, vol. 7, no. 3, pp. 36––38, 2007.

Download: pre-print | from publisher

• Hadley Wickham.
• Reshaping data with the reshape package.
• Journal of Statistical Software, vol. 21, no. 12, pp. 1––20, 2007.

Download: pre-print | from publisher

• Hadley Wickham, Dianne Cook.
• A review of R Graphics, Paul Murrell.
• The American Statistician, vol. 61, no. 1, pp. 99–100, 2007.

Download: pre-print

• Amanda Oakley, Felicity Reeves, Jane Bennett, Stephen Holmes, Hadley Wickham.
• Diagnostic value of written referral and/or images for skin lesions.
• Journal of Telemedicine and Telecare, vol. 12, pp. 151–158, 2006.

• Hadley Wickham.
• Reshaping data.
• ASA Statistical Computing and Graphics Newsletter, vol. 16, no. 2, 2005.

Download: pre-print | from publisher

• Hadley Wickham, C. Nunn, H. McAlister, G. Devlin, H. Charleson, R. Fisher, S. Heald, C Wade.
• The impact of coronary stenting on immediate procedural complication and long-term clinical restenosis at Waikato Hospital.
• New Zealand Medical Journal, vol. 113, no. 1111, pp. 201–4, 2000.